LT3048EDC#TRMPBF

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PMIC - Voltage Regulators - Linear + Switching

The LT3048EDC#TRMPBF is a micropower high-accuracy low voltage linear regulator from Linear Technology Corporation. It is a low-dropout (LDO) device designed to provide regulated output voltage with very low ground current and high power supply rejection ratio. It functions by minimizing the output voltage dropout to as little as 0.3V (at 300mA) while accurately regulating the output voltage. The LDO is designed to operate with a wide supply voltage range of 0.9V - 5.5V and provide as much as 1A of output current.

The LT3048EDC#TRMPBF is an ideal choice for applications where very low ground current, high power supply rejection and high accuracy are needed. These applications include audio systems, bar code scanners, data recorders, industrial PCs, portable instrumentation and medical devices. This LDO can also be used for low-voltage power supplies for low-voltage logic and memory, as well as for powering digital and analog circuit blocks.

Working Principle

The LT3048EDC#TRMPBF is a dropout regulator, meaning that it regulates the output voltage by monitoring the output voltage, and adjusting the current drawn from the supply by fast open-loop control. The regulation of the output voltage is done by comparing the feedback voltage and adjusting the output voltage proportionally. The voltage-error amplifier compares the output voltage with an external reference and adjusts the amount of current drawn from the supply in order to maintain the output voltage within specified limits.

The LT3048EDC#TRMPBF also incorporates a fast transient response, which is a feature that enables the device to maintain regulation during sudden current load changes. This fast response also allows the device to maintain high accuracy even with long cables or large current loads. The combination of fast transient response and low noise output makes the LT3048EDC#TRMPBF an ideal solution for low voltage supply requirements where high accuracy and high efficiency is needed.

Conclusion

The LT3048EDC#TRMPBF is a low dropout linear regulator from Linear Technology Corporation. It has a wide supply voltage range and low ground current, making it an ideal choice for applications where low noise, high accuracy and high efficiency are critical. It is able to maintain high accuracy even under sudden current load changes thanks to its fast transient response. Overall, the LT3048EDC#TRMPBF is an ideal LDO for powering digital and analog circuit blocks, audio systems, bar code scanners, data recorders, industrial PCs, portable instrumentation and medical devices.

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